| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Mon, 12 Dec 2011 15:15:45 +0800 From: Lai Jiangshan <laijs@...fujitsu.com> To: Pekka Enberg <penberg@...nel.org>, Ingo Molnar <mingo@...e.hu> Cc: linux-kernel@...r.kernel.org, Lai Jiangshan <laijs@...fujitsu.com> Subject: [PATCH 01/11] kvm tools: check condition before wait We should check the condition before wait it, otherewise we may get deadlock. Signed-off-by: Lai Jiangshan <laijs@...fujitsu.com> --- tools/kvm/threadpool.c | 7 +++---- 1 files changed, 3 insertions(+), 4 deletions(-) diff --git a/tools/kvm/threadpool.c b/tools/kvm/threadpool.c index fdc5fa7..2e59e62 100644 --- a/tools/kvm/threadpool.c +++ b/tools/kvm/threadpool.c @@ -80,12 +80,11 @@ static void *thread_pool__threadfunc(void *param) struct thread_pool__job *curjob; mutex_lock(&job_mutex); - pthread_cond_wait(&job_cond, &job_mutex); - curjob = thread_pool__job_pop(); + while ((curjob = thread_pool__job_pop()) == NULL) + pthread_cond_wait(&job_cond, &job_mutex); mutex_unlock(&job_mutex); - if (curjob) - thread_pool__handle_job(curjob); + thread_pool__handle_job(curjob); } pthread_cleanup_pop(0); -- 1.7.4.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists